[Boost-bugs] [Boost C++ Libraries] #7295: mapped_region large file throw exception

Subject: [Boost-bugs] [Boost C++ Libraries] #7295: mapped_region large file throw exception
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-08-27 09:09:08

#7295: mapped_region large file throw exception
-----------------------+----------------------------------------------------
 Reporter:  anonymous  |        Type:  Bugs            
   Status:  new        |   Milestone:  To Be Determined
Component:  None       |     Version:  Boost 1.52.0    
 Severity:  Problem    |    Keywords:                  
-----------------------+----------------------------------------------------
 using namespace boost::interprocess;
         const std::size_t FileSize = 10000000000;
         //if(argc == 1)
         { //Parent process executes this
                 {  //Create a file
                         std::filebuf fbuf;
                         fbuf.open("e:\\output\\file.bin",
 std::ios_base::in | std::ios_base::out
                                 | std::ios_base::trunc |
 std::ios_base::binary);
                         //Set the size
                         fbuf.pubseekoff(FileSize-1, std::ios_base::beg);
                         fbuf.sputc(0);
                 }
                 //Remove file on exit
                 struct file_remove
                 {
                         ~file_remove (){
 file_mapping::remove("file.bin"); }
                 } destroy_on_exit;

                 //Create a file mapping
                 file_mapping m_file("e:\\output\\file.bin", read_write);

                 //Map the whole file with read-write permissions in this
 process
                 try{
                 mapped_region region(m_file, read_write);



                 //Get the address of the mapped region
                 void * addr       = region.get_address();
                 std::size_t size  = region.get_size();

                 //Write all the memory to 1
                 std::memset(addr, 1, size);
                 }
                 catch( boost::interprocess::interprocess_exception& ex  ){
                         cout << "\njjhhh" << ex.what() << endl;
                 }
                 //Launch child process
                 //std::string s(argv[0]); s += " child ";
         //      if(0 != std::system(s.c_str()))
                         return 1;
         }

 mapped_region region(m_file, read_write); throw a exception

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/7295>
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